EngiRef / Mechanical Engineering Formula
Polar Moment of Inertia (Solid Circle)
Polar Moment of Inertia (Solid Circle): Polar moment of inertia for solid circular shaft. A Statics formula in mechanical engineering. Variables J and d, each…
Statics
Specification
- Name
- Polar Moment of Inertia (Solid Circle)
- Discipline
- mechanical
- Category
- Statics
- LaTeX
- J = \frac{\pi d^4}{32}
- Description
- Polar moment of inertia for solid circular shaft
- Can solve for
- J, d
- Tags
- polar, inertia, circle, shaft
Variables
| Symbol | Name | Unit | Si Unit | Imperial Unit |
|---|---|---|---|---|
| J | Polar Moment of Inertia | m⁴ | m⁴ | in⁴ |
| d | Diameter | m | m | in |
Common questions
- What is the Polar Moment of Inertia (Solid Circle) formula?
- Polar moment of inertia for solid circular shaft. It sits under Statics, Mechanical engineering in the EngiRef reference.
- What do the symbols in the Polar Moment of Inertia (Solid Circle) formula mean?
- In Polar Moment of Inertia (Solid Circle), J is polar moment of inertia in m⁴; d is diameter in m.